Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

93°F

34°C

Humidity 47%
Wind Speed E 7 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 23 Sep 5:56 pm CDT
Extended Forecast for

Lockhart TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 73. East wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 73 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. East wind around 5 mph becoming calm  after midnight.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 97 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 98. Calm wind becoming south southwest around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South southeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Light and variable wind becoming east 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 73. East wind 5 to 10 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 72. East wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 97. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 73. Southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 98. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 73. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 97.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 96.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
5:32 pm CDT Sep 23, 2026
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
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